/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package edu.ccut.saturn.workflow.common;

import java.io.IOException;
import java.io.InputStream;

import org.dom4j.Document;
import org.dom4j.io.SAXReader;

import edu.ccut.saturn.component.SaturnComponentException;

/**
 * Dom4j Utils
 * 
 * @author LeslieGu
 * 
 */
public abstract class Dom4jUtils {

	public static Document getDocment(InputStream in)
			throws SaturnComponentException {
		if (in == null) {
			throw new SaturnComponentException("Invalid InputStream specified?");
		}

		SAXReader reader = new SAXReader();
		Document document = null;
		try {
			document = reader.read(in);
		} catch (Exception e) {
			throw new SaturnComponentException(e);
		} finally {

			try {
				in.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

		return document;
	}
}
